Posted by **Raj** on Wednesday, October 10, 2007 at 12:28am.

If the distance between two objects is tripled, by what factor will the

gravitational force between them change?

- Physics -
**drwls**, Wednesday, October 10, 2007 at 12:30am
1/(3^2) = ?

That's called using the inverse square law.

- Physics -
**Raj**, Wednesday, October 10, 2007 at 12:45am
but what is the 3^2 for? If the 3 is for the distance being tripled...what about the exponent 2?

- Physics -
**Raj**, Wednesday, October 10, 2007 at 1:04am
Oh nvm, you mean

F = 1/d^2

Got it...thanks.

- Physics -
**drwls**, Wednesday, October 10, 2007 at 2:36am
1/(3^2) = 1/9

Square the distance ratio and put it in the denominator

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